Sos signal aka dih*3 dah*3 dih*3

int led=11;
int Dih=150;
int Dah=1500;
int Delay=2000;


void setup() 
{
  pinMode(led,OUTPUT);
  
  // put your setup code here, to run once:

}

void loop() 
{
  for (int i=0;i<3;i++)
  {
     dih();
  }
  delay (Delay);
  for (int i=0;i<3;i++)
  {
     dah();
  }
  delay (Delay);
  for (int i=0;i<3;i++)
  {
     dih();
  }
  delay (Delay);
  // put your main code here, to run repeatedly:

}
void dih()
{
  digitalWrite(led,HIGH);
  delay(Dih);
  digitalWrite(led,LOW);
  delay(Dih);

}
void dah()
{
  digitalWrite(led,HIGH);
  delay(Dah);
  digitalWrite(led,LOW);
  delay(Dah);
  
  
}